#397CA0#397CA0

#397CA0 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.088 H 234.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#397CA0
RGB	rgb(57, 124, 160)
HSL	hsl(201, 47%, 43%)
HSV	hsv(201, 64%, 63%)
CMYK	cmyk(64.4%, 22.5%, 0%, 37.3%)
CIE-LAB	lab(49.28, -9.75, -25.60)
CIE-LCH	lch(49.28, 27.40, 249.14°)
OKLab	oklab(55.85% -0.0505 -0.0717)
OKLCH	oklch(55.85% 0.088 234.9)
XYZ	xyz(15.2377, 17.8217, 35.8878)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA0 #A05D39

analogous

#39A090 #397CA0 #3949A0

triadic

#397CA0 #A0397C #7CA039

tetradic

#397CA0 #9039A0 #A05D39 #49A039

square

#397CA0 #9039A0 #A05D39 #49A039

split-complementary

#397CA0 #A03949 #A09039

monochromatic

#193646 #295973 #397CA0 #549CC2 #81B6D2

Accessibility & contrast

On white

4.60

#397CA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#397CA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397CA0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA0	#FFFFFF	#000000	##FFFFFF
##397CA0	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA2

Deuteranopia (green-blind)

#5D719F

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ca0;
/* rgb */ color: rgb(57, 124, 160);
/* oklch */ color: oklch(55.8% 0.088 234.9);

Tailwind

colors: {
  custom: {
    50: '#7aa1bc',
    500: '#397ca0',
    950: '#000000',
  },
}

SCSS

$custom: #397ca0;
$custom-light: #7aa1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca0",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 160
  },
  "hsl": {
    "h": 200.971,
    "s": 47.465,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55848,
    "c": 0.08772,
    "h": 234.9
  },
  "luminance": 0.17823
}

Semantic roles & 50–950 ramp

primary

#397CA0

secondary

#BC9079

accent

#8051D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →